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A041929 Denominators of continued fraction convergents to sqrt(487). 2
1, 14, 15, 44, 191, 235, 426, 1513, 3452, 18773, 22225, 152123, 174348, 326471, 7030239, 7356710, 14386949, 93678404, 108065353, 634005169, 1376075691, 4762232242, 6138307933, 10900540175, 49740468633, 110381477441, 160121946074, 2352088722477, 103652025735062 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 103812147681136, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1).

FORMULA

a(n) = 103812147681136*a(n-28) - a(n-56) for n>55. - Vincenzo Librandi, Dec 27 2013

MATHEMATICA

Denominator[Convergents[Sqrt[487], 30]] (* Harvey P. Dale, May 21 2013 *)

CROSSREFS

Cf. A041928.

Sequence in context: A213386 A041404 A041402 * A341242 A174924 A041408

Adjacent sequences:  A041926 A041927 A041928 * A041930 A041931 A041932

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Vincenzo Librandi, Dec 27 2013

STATUS

approved

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Last modified September 20 00:58 EDT 2021. Contains 347577 sequences. (Running on oeis4.)